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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2013-04-22 14:58:02 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2013-04-22 14:58:02 +0000 |
| commit | 74f2e46eeff9e5ad001259a74c56a1b4d71776e3 (patch) | |
| tree | 38def27a52541cec8867c80bb19097342a5d1911 /llvm/lib/Transforms/IPO/ConstantMerge.cpp | |
| parent | da466db02ad02b818dbbeeb6349330ca7b4a9514 (diff) | |
| download | llvm-74f2e46eeff9e5ad001259a74c56a1b4d71776e3.zip llvm-74f2e46eeff9e5ad001259a74c56a1b4d71776e3.tar.gz llvm-74f2e46eeff9e5ad001259a74c56a1b4d71776e3.tar.bz2 | |
Clarify that llvm.used can contain aliases.
Also add a check for llvm.used in the verifier and simplify clients now that
they can assume they have a ConstantArray.
llvm-svn: 180019
Diffstat (limited to 'llvm/lib/Transforms/IPO/ConstantMerge.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/ConstantMerge.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/IPO/ConstantMerge.cpp b/llvm/lib/Transforms/IPO/ConstantMerge.cpp index 8336d3a..b63495b 100644 --- a/llvm/lib/Transforms/IPO/ConstantMerge.cpp +++ b/llvm/lib/Transforms/IPO/ConstantMerge.cpp @@ -66,9 +66,8 @@ ModulePass *llvm::createConstantMergePass() { return new ConstantMerge(); } static void FindUsedValues(GlobalVariable *LLVMUsed, SmallPtrSet<const GlobalValue*, 8> &UsedValues) { if (LLVMUsed == 0) return; - ConstantArray *Inits = dyn_cast<ConstantArray>(LLVMUsed->getInitializer()); - if (Inits == 0) return; - + ConstantArray *Inits = cast<ConstantArray>(LLVMUsed->getInitializer()); + for (unsigned i = 0, e = Inits->getNumOperands(); i != e; ++i) if (GlobalValue *GV = dyn_cast<GlobalValue>(Inits->getOperand(i)->stripPointerCasts())) |